Add ImGui

src/render/render.h

@@ -19,6 +19,7 @@ public:
 	void Shutdown();
 
 	void RenderScene();
+	void RenderStats();
 
 	void Present(bool vsync = false);
 
@@ -32,6 +33,8 @@ public:
 
 	void LoadSceneXML(const char* filename);
 
+	SDL_GLContext GetGLContext() { return m_pGLContext; }
+
 private:
 	glm::mat4 m_ViewMatrix;
 	glm::mat4 m_ProjectionMatrix;